PROBLEM 9.103 Using Mohr’s circle, determine for the area indicated the orientation of the principal centroidal axes and the corresponding values of the moments of inertia. Area of Problem 9.71 SOLUTION From Problem 9.71 411.0 inxyI=−Compute xIand yIfor area of Problem 9.71 ()()()3325 in.0.5 in.0.5 in. 4 in.24 in.0.5 in. 1.0 in.1212xI×=++×49.38542 in=()()20.5 in.4 in.0.5 in.5 in.24 in.0.5 in. 2.75 in.1212yI××+435.54167 in=Define points ( ) ( )9.38542, 11 , and 35.54167, 11XY−Now 444ave9.38542 in35.54167 in22.46354 in22
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This note was uploaded on 07/11/2011 for the course EGM 2511 taught by Professor Jenkins during the Spring '08 term at University of Florida.